What is the Y-tunnus number of Aton Oy?

Aton Oy is registered with PRH / YTJ under Y-tunnus 0758517-9.

What is the revenue of Aton Oy?

Aton Oy reported revenue of EUR 3,6M in 2025.

Aton Oy employs 55 people as of the latest annual report.

Ilse Marita Alander is Audit of Aton Oy, in role since 2010.

Samuli Matias Suhonen chairs the board of Aton Oy, in role since 2020.

Aton Oy's registered address is Pl 10.

OYActive

Y-tunnus 0758517-9Pl 10, 00411 HelsinkiGeneral cleaning of buildings · NACE 8121Est. 198955 employees

Actively employed in the business

Name	Role	Member since
Current (3)
TS Timo Suhonen Deputy Chief Executive Officer	Deputy Chief Executive Officer	2018
SP Satu Päivikki Pere Deputy Member	Deputy Member	2016
NM Niina Marika Saariniemi Chief Executive Officer	Chief Executive Officer	2023
Former (3)
IM Ilse Marita Alander Audit	Audit	2010 – 2025
JE Jukka Erkki Antero Koskeli Chief Executive Officer	Chief Executive Officer	2022 – 2023
TK Timo Kalevi Packalén Deputy auditor	Deputy auditor	2010 – 2025

Non-executive oversight

Name	Role	Member since
Current (2)
SM Samuli Matias Suhonen	Board of Directors	2020
PK Piia Krista Karoliina Kallio	Board of Directors	2020

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Wooster Oy	Company	100%	100%	2024

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